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Previously completed exploration on Tusschenby by Mabex Consulting Geologist (MCG) estimated an inferred mineral resource on the farms of 31.5 million tonnes. The inferred tonnage was estimated based on the exploration undertaken by MCG, the position of “known” payshoot trends noted by Southern Sphere, and the knowledge of the mineralisation and the project area by the director of MCG. Based on this MCG estimated the following JORC resources as listed in the following Table.
Table : Resources as calculated by Mabex Consulting Geologists.
Tonnage
Grade (kg/t)
Width (m)
U3O8(t)
Inferred
31,500,000
0.35
1.0
11,025
Tonnage
Grade (g/t)
Width (m)
Au (Moz)
Inferred
31,500,000
2.5
1.0
2.5
Denny Dalton is situated at the southern most end of a major Precambrian basin in which deep erosion has stripped away the cover rocks and exposed the units of the Pongola Super Group. This Pongola basin is compatible in size with the Witwatersrand but about 300 million years older. The Pongola rocks are estimated to be 3.1–2.9 billion years compared with the Witwatersrand which spans 2.75 – 2.5 billion years. Mineralisation at Denny Dalton occurs as shoots of gold and uranium concentrations within conglomerate beds at the base of the Mozaan Group. These conglomeritic beds outcrop over a strike area of approximately 4km with the Mozaan Contact Reef the principal economic horizon lying unconformably on the Insuzi Lava Formation. Previous stratigraphy above the MCR, have shown to have economic potential both for gold and uranium.